<template>
    <div class="tags">
        <el-tag @close="handleClose(item, index)" @click="changeMenu(item)" v-for="(item, index) in tags"
            :key="item.path" :closable="item.name !== 'home'" :effect="$route.name === item.name ? 'dark' : 'plain'">
            {{ item.label }}
        </el-tag>
    </div>

</template>

<script>
import { mapState, mapMutations } from 'vuex';
export default {
    name: 'CommonTag',
    data() {
        return {

        }
    },
    computed: {
        ...mapState({
            tags: state => state.tab.tabList
        })
    },
    methods: {
        ...mapMutations(['closeTag']),
        // 点击tag跳转的功能
        changeMenu(item) {
            this.$router.push({ name: item.name })
        },
        // 点击tag删除的功能
        handleClose(item, index) {
            // 调用store中的mutation
            this.closeTag(item)
            const length = this.tags.length

            // 删除之后的跳转逻辑
            if (item.name !== this.$route.name) {
                return
            }
            if (index === length) {
                this.$router.push({
                    name: this.tags[index - 1].name
                })
            } else {
                this.$router.push({
                    name: this.tags[index].name
                })
            }


        }
    },
    mounted() {
        console.log(this.$route.name, this.tags);
    }

}


</script>